icinga2/lib/remote/jsonrpcconnection-heartbeat...

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/******************************************************************************
* Icinga 2 *
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* Copyright (C) 2012-2015 Icinga Development Team (http://www.icinga.org) *
* *
* This program is free software; you can redistribute it and/or *
* modify it under the terms of the GNU General Public License *
* as published by the Free Software Foundation; either version 2 *
* of the License, or (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software Foundation *
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. *
******************************************************************************/
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#include "remote/jsonrpcconnection.hpp"
#include "remote/messageorigin.hpp"
#include "remote/apifunction.hpp"
#include "base/initialize.hpp"
#include "base/dynamictype.hpp"
#include "base/logger.hpp"
#include "base/utility.hpp"
#include <boost/foreach.hpp>
using namespace icinga;
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REGISTER_APIFUNCTION(Heartbeat, event, &JsonRpcConnection::HeartbeatAPIHandler);
static Timer::Ptr l_HeartbeatTimer;
static void StartHeartbeatTimer(void)
{
l_HeartbeatTimer = new Timer();
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l_HeartbeatTimer->OnTimerExpired.connect(boost::bind(&JsonRpcConnection::HeartbeatTimerHandler));
l_HeartbeatTimer->SetInterval(10);
l_HeartbeatTimer->Start();
}
INITIALIZE_ONCE(StartHeartbeatTimer);
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void JsonRpcConnection::HeartbeatTimerHandler(void)
{
BOOST_FOREACH(const Endpoint::Ptr& endpoint, DynamicType::GetObjectsByType<Endpoint>()) {
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BOOST_FOREACH(const JsonRpcConnection::Ptr& client, endpoint->GetClients()) {
if (endpoint->GetSyncing()) {
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Log(LogInformation, "JsonRpcConnection")
<< "Not sending heartbeat for endpoint '" << endpoint->GetName() << "' because we're replaying the log for it.";
continue;
}
if (client->m_NextHeartbeat != 0 && client->m_NextHeartbeat < Utility::GetTime()) {
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Log(LogWarning, "JsonRpcConnection")
<< "Client for endpoint '" << endpoint->GetName() << "' has requested "
<< "heartbeat message but hasn't responded in time. Closing connection.";
client->Disconnect();
continue;
}
Dictionary::Ptr request = new Dictionary();
request->Set("jsonrpc", "2.0");
request->Set("method", "event::Heartbeat");
Dictionary::Ptr params = new Dictionary();
params->Set("timeout", 120);
request->Set("params", params);
client->SendMessage(request);
}
}
}
Value JsonRpcConnection::HeartbeatAPIHandler(const MessageOrigin::Ptr& origin, const Dictionary::Ptr& params)
{
Value vtimeout = params->Get("timeout");
if (!vtimeout.IsEmpty()) {
origin->FromClient->m_NextHeartbeat = Utility::GetTime() + vtimeout;
origin->FromClient->m_HeartbeatTimeout = vtimeout;
}
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return Empty;
}